On Mar 1, 2010, at 7:42 AM, Thomas Burgess wrote:

> Also consider that you might not want to snapshot the entire pool.

Snapshots work on the dataset, not the pool (there is no "zpool snapshot"
command :-) 

What usually trips me up is the auto-snapshot service and inherited properties.
You will want to make sure and not snapshot those file systems which are
"temporary" in nature.  You can do this with the advanced options section 
of the Time Slider Manager GUI, or by setting the com.sun:auto-snapshot
parameter appropriately on your datasets.
 -- richard

ZFS storage and performance consulting at http://www.RichardElling.com
ZFS training on deduplication, NexentaStor, and NAS performance
http://nexenta-atlanta.eventbrite.com (March 16-18, 2010)




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